Help asap please ? :))

B. 50%

Explanation:

See work attached.

We are looking for percentage of offspring that will have Hh.

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The answer is joseph is observing the colour of the reaction mixture to see whether proteins are present in the given solution.

Well, both latitude and intensity of light affect temperature because, the higher the light intensity, the higher the temperature and since latitude is the measure of how close you are to the equator, then the closer to the equator you are, the higher the temperature is.